Advertisements
Advertisements
प्रश्न
The velocity-time graph of a moving body is given below in Figure

The acceleration in parts AB, BC and CD.
Advertisements
उत्तर
Acceleration in the part AB = Slope of AB
= tan (∠BAD)
= (30/4) ms-2
= 7.5 ms-2
Acceleration in the part BC = 0 ms-2
Acceleration in the part CD = slope of CD = -tan (∠CDA)
= -(30/2) ms-2
= -15 ms-2
APPEARS IN
संबंधित प्रश्न
In addition to speed, what else should we know to predict the position of a moving body ?
Fill in the following blank with suitable word:
The physical quantity which gives both, the speed and direction of motion of a body is called its……………
Arrange the following speed in increasing order (keeping the least speed first):
An athlete running with a speed of 10 m/s.
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
One of the following is not a vector quantity. This one is :
Give an example of motion in which the average speed is not zero but the average velocity is zero.
Define uniform velocity and give one example.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.

How many variables are present in each equation of motion?
Give two examples of uniform circular motion from your daily life.
